The NSW National Parks and Wildlife Service is conducting a hazard reduction burn 15 km north-west of Scone in Towarri National Park on Friday 28 April.
The burn will treat 180 hectares of bushland on the southern Middlebrook section of Towarri National Park, reducing naturally accumulated fuel loads in the park.
This hazard reduction burn will protect nearby private properties in the event of a wildfire and help promote biodiversity.
Smoke may be visible in the area, so motorists should use caution when driving.
There may be times on Friday when some smoke drifts to Scone and the New England Highway.
People vulnerable to smoke are encouraged to remain indoors if necessary and keep their doors and windows closed to reduce exposure.
Hazard reduction burns are essential to reduce fuel loads to help protect parks, neighbours and communities from future bushfires.
This burn is one of many that the National Parks and Wildlife Service is planning in national parks during autumn.
All burns around the state are coordinated with the NSW Rural Fire Service (RFS) to ensure the impact on the community is assessed at a regional level.
For health information relating to smoke from bush fires and hazard reduction burning, visit NSW Health or Asthma Australia.